Headbacks for Sale- Minor flaws are not considered to be any issue and are to be expected. Greater flaws are mentioned.
White headbacks I do not have much casting issue with. They are $30. If you want a white one for less, I have a few with some specks in them from the mold. Otherwise, the match looks like this for all of them:
 

Below are the 'Fresh' skin options. I am still working on getting the color match as close as I can. Pictures are taken with a fresh skin faceplate, in natural light. I have not altered the pictures in any way.
2A - $30
2B - $5, large bubble, filled with epoxy
2C - $27 Slightly darker
2D- $25, minor marbling
2E - $20, too pink
2F- $25, mild pitting
2G -$27 Slightly darker
2I -$27 Slightly Darker
2J $20, some inclusion specks
2K - $5, too pale, lots of small pits and bubbles
2L $20, bubbles near the bottom, does not hinder.
2M- SOLD
2N - $30
2O - $25 (minor marbling)
2P - $30 (i need to finish sanding this one, it'll be cleaner looking)
2Q - $20, bubble at the bottom
2R- $30